DK565389A - PACKING MATERIAL - Google Patents

PACKING MATERIAL

Info

Publication number
DK565389A
DK565389A DK565389A DK565389A DK565389A DK 565389 A DK565389 A DK 565389A DK 565389 A DK565389 A DK 565389A DK 565389 A DK565389 A DK 565389A DK 565389 A DK565389 A DK 565389A
Authority
DK
Denmark
Prior art keywords
layers
oxygen
layer
conducting capacity
separated
Prior art date
Application number
DK565389A
Other languages
Danish (da)
Other versions
DK565389D0 (en
DK173851B1 (en
Inventor
John Francis Edward Adams
Michael Alexander Cochran
James William Nicholas
Rickworth Folland
Melvin Edward Riddell Robinson
Original Assignee
Metal Box Plc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB888805931A external-priority patent/GB8805931D0/en
Priority claimed from GB888806752A external-priority patent/GB8806752D0/en
Priority claimed from GB8815699A external-priority patent/GB2207439B/en
Priority claimed from GB898901761A external-priority patent/GB8901761D0/en
Priority claimed from PCT/GB1989/000243 external-priority patent/WO1989008557A1/en
Application filed by Metal Box Plc filed Critical Metal Box Plc
Publication of DK565389A publication Critical patent/DK565389A/en
Publication of DK565389D0 publication Critical patent/DK565389D0/en
Application granted granted Critical
Publication of DK173851B1 publication Critical patent/DK173851B1/en

Links

Landscapes

  • Laminated Bodies (AREA)
  • Packages (AREA)

Abstract

The present invention provides a wall for a package comprising: a) an outer set of one or more layers 1-4, and b) an inner set of one or more layers 5-6, which layer or the outermost layer 5 of which comprises a composition containing a polymer and having oxygen-absorbing characteristics, in which i) the outer set of layers, if separated from the inner layer and in the absence of oxygen-absorbing characteristics in any of the layers or in the layer forming the set, would have an oxygen-conducting capacity not exceeding 1.5 cm3/(m2 atm day); ii) the inner set of layers, if separated from the outer set and in the absence of oxygen-absorbing characteristics in any of the layers or in the layer forming the set, would have an oxygen-conducting capacity of at least 2.0 cm3/(m2 atm day); and iii) the inner set of layers, if separated from the outer layer, would have an oxygen-conducting capacity less than the conducting capacity of at least 1.0 cm3/(m2 atm day) specified in ii by virtue of the oxygen absorption at least in the layer specified in b. In a preferred combination, one of the outer layers 3 is of metal, and the composition in the outermost of the inner layers 5 absorbs oxygen by metal-catalysed oxidation of an oxidiseable organic compound thereof. The wall is suited to packaging purposes with an inner set of layers applied to the product, where there is a particular requirement for absorption from the head space, that is to say the space between the packaging and the actual contents of the packaging. <IMAGE>
DK198905653A 1988-03-12 1989-11-10 Multilayer material for the manufacture of packagings for oxygen-sensitive products and use of the material DK173851B1 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
GB888805931A GB8805931D0 (en) 1988-03-12 1988-03-12 Packaging containers of plastics materials
GB8805931 1988-03-12
GB8806752 1988-03-22
GB888806752A GB8806752D0 (en) 1988-03-22 1988-03-22 Improvements in & relating to packaging
GB8815699 1988-07-01
GB8815699A GB2207439B (en) 1987-07-27 1988-07-01 Improvements in and relating to packaging
GB898901761A GB8901761D0 (en) 1989-01-27 1989-01-27 Improvements in or relating to packaging
GB8901761 1989-01-27
PCT/GB1989/000243 WO1989008557A1 (en) 1988-03-12 1989-03-10 Improvements in and relating to packaging
GB8900243 1989-03-10

Publications (3)

Publication Number Publication Date
DK565389A true DK565389A (en) 1989-11-10
DK565389D0 DK565389D0 (en) 1989-11-10
DK173851B1 DK173851B1 (en) 2001-12-27

Family

ID=27516797

Family Applications (1)

Application Number Title Priority Date Filing Date
DK198905653A DK173851B1 (en) 1988-03-12 1989-11-10 Multilayer material for the manufacture of packagings for oxygen-sensitive products and use of the material

Country Status (1)

Country Link
DK (1) DK173851B1 (en)

Also Published As

Publication number Publication date
DK565389D0 (en) 1989-11-10
DK173851B1 (en) 2001-12-27

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PUP Patent expired